What Is Gastrula - Lisbd-Net. Com
What Do You Mean by Gastrula? Gastrula, Early Multicellular Embryo, Composed of Two or More Germinal Layers of Cells from Which the Various Organs Later...
What do you mean by gastrula?
gastrula, early multicellular embryo, composed of two or more germinal layers of cells from which the various organs later derive. The gastrula develops from the hollow, single-layered ball of cells called a blastula which itself is the product of the repeated cell division, or cleavage, of a fertilized egg.
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What is a gastrula and blastula?
The Blastula is a spherical, hollow, one celled thick structure, found during the first stage of embryogenesis, and is known as the ‘pre-embryo’. The gastrula is formed during the gastrulation stage of embryogenesis, and consists of three germ layers, with the structure known as the ‘mature-embryo’.